/Engine/Source/Runtime/MovieScene/Public/MovieSceneCommonHelpers.h
Return a name unique to the spawnable names in the given movie scene
The unique name
static [FString](API\Runtime\Core\Containers\FString) MakeUniqueSpawnableName ( [UMovieScene](API\Runtime\MovieScene\UMovieScene) * InMovieScene, const [FString](API\Runtime\Core\Containers\FString) & InName )